Question 1
Use the empirical probability formula to solve the exercise. Express the answer as a fraction. Then express the probability as a decimal, rounded to the nearest thousandth, if necessary.
The table below represents a random sample of the number of deaths per 100 cases for a certain illness over time. If a person infected with this illness is randomly selected from all infected people, find the probability that the person lives 3-4 years after diagnosis.
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; 0.058
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; 0.029
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; 0.35
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; 0.538
Question 2
Use the empirical probability formula to solve the exercise. Express the answer as a fraction. Then express the probability as a decimal, rounded to the nearest thousandth, if necessary.
In 1999 the stock market took big swings up and down. A survey of 979 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily?
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; 0.288
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; 0.232
◦
; 0.138
◦
; 0.287
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Genetics answer
formula